London Terrorist Attack: What We Know and Don't Know - The New .... On Westminster Bridge. The Metropolitan Police said officers were summoned to the area at about 2:40 p.m. Credit Toby Melville/Reuters. 2048 x 1365 pixels

London attack: Police arrest 12 suspects as IS claims .... London attack: Police arrest 12 suspects as IS claims responsibility The Islamic State group claimed responsibility Sunday for an attack by knife-wielding .... 3500 x 2331 pixels

Toll of London Attack Is Global for an Assailant Born in Britain .... A vigil was held on Thursday in Trafalgar Square in London for the victims of Wednesday's attack. Credit Andrew Testa for The New York Times. 2048 x 1367 pixels